UFC 156 takes place Feb. 2 at Mandalay Bay Events Center in Las Vegas. The event’s five-bout main-card airs live on pay-per-view following prelims on FX and Facebook.

Mazzagatti, who was chosen for the assignment over veteran referees Herb Dean and Yves Lavigne, will earn $1,200 for his work while judges Byrd, Collins and Kamijo will earn $950 each, NSAC Executive Director Keith Kizer said.

Despite being frequently maligned by UFC President Dana White, Mazzagatti has refereed dozens of high-profile bouts in Nevada. Brock Lesnar accused him of botching his fight with Frank Mir at UFC 81 in a formal request he not oversee a title bout with then-champion Randy Couture at UFC 91. The commission installed veteran ref Mario Yamasaki.

Byrd most recently served as a judge at this past month’s UFC 155, where her 30-27 score for Melvin Guillard over Jamie Varner drew the ire of many MMA observers.

Kamijo also served as a judge at the Dec. 29 event, where he gave Jim Miller the nod by a score of 29-28 in a co-main event fight with Joe Lauzon.

Collins worked summer blockbuster UFC 148, where he notably gave a 29-28 score in favor of Forrest Griffin in a co-main event against Tito Ortiz.

UFC women’s bantamweight champion Ronda Rousey is probably the greatest female fighter on the planet, which is a tremendous feat. So why are we seemingly so obsessed with arguing about whether she could beat up men?